# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-03 18:47:34 EDT # # ---------------------------------- WARNING ---------------------------------------- # Some of the data that you have obtained from this U.S. Geological Survey database # may not have received Director's approval. Any such data values are qualified # as provisional and are subject to revision. Provisional data are released on the # condition that neither the USGS nor the United States Government may be held liable # for any damages resulting from its use. # # More data may be available offline. # For more information on these data, contact USGS Water Data Inquiries. # This file contains the annual peak streamflow data. # # This information includes the following fields: # # agency_cd Agency Code # site_no USGS station number # peak_dt Date of peak streamflow (format YYYY-MM-DD) # peak_tm Time of peak streamflow (24 hour format, 00:00 - 23:59) # peak_va Annual peak streamflow value in cfs # peak_cd Peak Discharge-Qualification codes (see explanation below) # gage_ht Gage height for the associated peak streamflow in feet # gage_ht_cd Gage height qualification codes # year_last_pk Peak streamflow reported is the highest since this year # ag_dt Date of maximum gage-height for water year (if not concurrent with peak) # ag_tm Time of maximum gage-height for water year (if not concurrent with peak # ag_gage_ht maximum Gage height for water year in feet (if not concurrent with peak # ag_gage_ht_cd maximum Gage height code # # Sites in this file include: # USGS 03473500 M F HOLSTON RIVER AT GROSECLOSE, VA # # Peak Streamflow-Qualification Codes(peak_cd): # 1 ... Discharge is a Maximum Daily Average # 2 ... Discharge is an Estimate # 3 ... Discharge affected by Dam Failure # 4 ... Discharge less than indicated value, # which is Minimum Recordable Discharge at this site # 5 ... Discharge affected to unknown degree by # Regulation or Diversion # 6 ... Discharge affected by Regulation or Diversion # 7 ... Discharge is an Historic Peak # 8 ... Discharge actually greater than indicated value # 9 ... Discharge due to Snowmelt, Hurricane, # Ice-Jam or Debris Dam breakup # A ... Year of occurrence is unknown or not exact # Bd ... Day of occurrence is unknown or not exact # Bm ... Month of occurrence is unknown or not exact # C ... All or part of the record affected by Urbanization, # Mining, Agricultural changes, Channelization, or other # F ... Peak supplied by another agency # O ... Opportunistic value not from systematic data collection # R ... Revised # # Gage height qualification codes(gage_ht_cd,ag_gage_ht_cd): # 1 ... Gage height affected by backwater # 2 ... Gage height not the maximum for the year # 3 ... Gage height at different site and(or) datum # 4 ... Gage height below minimum recordable elevation # 5 ... Gage height is an estimate # 6 ... Gage datum changed during this year # 7 ... Debris, mud, or hyper-concentrated flow # 8 ... Gage height tidally affected # Bd ... Day of occurrence is unknown or not exact # Bm ... Month of occurrence is unknown or not exact # F ... Peak supplied by another agency # R ... Revised # # agency_cd site_no peak_dt peak_tm peak_va peak_cd gage_ht gage_ht_cd year_last_pk ag_dt ag_tm ag_gage_ht ag_gage_ht_cd 5s 15s 10d 6s 8s 33s 8s 27s 4s 10d 6s 8s 27s USGS 03473500 1948-02-13 217 4.34 USGS 03473500 1949-07-13 171 4.07 USGS 03473500 1950-07-26 520 6.18 USGS 03473500 1950-12-07 210 4.30 USGS 03473500 1952-07-05 181 4.08 USGS 03473500 1953-07-06 813 7.42 1901 USGS 03473500 1954-07-21 178 4.06 USGS 03473500 1955-03-18 234 4.50 USGS 03473500 1956-04-16 167 3.99 USGS 03473500 1957-01-29 309 5.00 USGS 03473500 1958-05-06 256 4.66 USGS 03473500 1960-03-30 264 4.71 USGS 03473500 1961-05-12 631 6.70 USGS 03473500 1961-12-18 234 4.48 USGS 03473500 1963-03-12 332 5.17 USGS 03473500 1964-03-05 387 5.50 USGS 03473500 1965-03-26 279 4.80 USGS 03473500 1966-02-13 242 4.55 USGS 03473500 1967-03-07 96.0 3.34 USGS 03473500 1968-03-13 102 3.40 USGS 03473500 1969-02-02 92.0 3.30 USGS 03473500 1970-01-29 87.0 3.24 USGS 03473500 1971-05-07 156 3.90 USGS 03473500 1972-06-21 339 5.20 USGS 03473500 1972-12-10 180 4.11 USGS 03473500 1974-06-27 113 3.51 USGS 03473500 1975-03-30 188 4.17 USGS 03473500 1976-06-30 140 3.75 USGS 03473500 1977-04-04 314 5.03 USGS 03473500 1977-11-06 203 4.28 USGS 03473500 1979-02-24 159 3.93 USGS 03473500 1980-03-21 72.0 3.06 USGS 03473500 1981-06-04 64.0 2.96 USGS 03473500 1982-02-03 124 3.61 USGS 03473500 1983-06-04 77.0 3.13 USGS 03473500 1984-05-07 144 3.79 USGS 03473500 1985-02-01 34.0 2.51 USGS 03473500 1985-11-30 80.0 3.16 USGS 03473500 1987-04-16 216 4.27 USGS 03473500 1988-02-04 46.0 2.69 USGS 03473500 1989-09-22 398 5.41 USGS 03473500 1990-01-01 112 3.43 USGS 03473500 1991-06-23 78.0 3.08 USGS 03473500 1992-06-05 130 3.60 USGS 03473500 1993-03-23 220 4.30 USGS 03473500 1994-02-11 167 3.91 USGS 03473500 1995-01-15 273 4.66 USGS 03473500 2001-07-29 326 5.00 USGS 03473500 2002-03-18 262 4.59 USGS 03473500 2003-02-22 376 5.29 USGS 03473500 2003-11-19 261 4.58 USGS 03473500 2005-01-14 79.6 3.10 USGS 03473500 2006-06-27 122 3.53 USGS 03473500 2007-01-08 51.1 2.73 USGS 03473500 2008-03-05 105 3.37 USGS 03473500 2009-05-07 126 3.57 USGS 03473500 2010-03-13 185 4.05 USGS 03473500 2011-02-28 89.0 3.20 USGS 03473500 2011-12-07 101 3.33 USGS 03473500 2013-01-31 181 4.02 USGS 03473500 2014-02-21 53.2 2.76 USGS 03473500 2015-04-20 234 4.40 USGS 03473500 2015-12-24 66.0 2.94 USGS 03473500 2017-04-24 249 3.66 USGS 03473500 2018-09-28 14:00 229 3.52 USGS 03473500 2019-06-23 02:45 251 3.67 USGS 03473500 2020-04-13 05:00 355 4.38 USGS 03473500 2020-11-12 06:15 223 3.53